Engineering Day | Webinar

Handling Flexible Bodies in Multi-Body-Dynamics

Power and ease of use given by RecurDyn software’s features

Date: 3 February 2021

Timetable: 16:00 CET

Speakers: Fabiano Maggio

Language: English

The Multi-Body-Dynamics (MBD) approach was developed in the USA between the seventies and the eighties to analyze the response of moving mechanisms. The first computer programs were used in academic environments, but rather quickly they turned into usable commercial products. The first MBD software which appeared in the market is certainly ADAMS (Automated Dynamic Analysis of Mechanical Systems), which was fallowed soon by DADS (Dynamic Analysis and Design System).

Starting from these early roots, many researchers worldwide have developed new numerical technologies, with the aim of making the multi-body approach more versatile, easier to use, and more consistent.
Among the products that are leaving deep traces in the history of multi-body dynamics, RecurDyn deserves a special mention. RecurDyn, whose name is a combination of the words RECURsive and DYNamics, has been developed in Republic of South Korea since the early nineties. It was born to efficiently simulate any type of closed loop mechanism, but very soon it became a general-purpose tool. Thirty years of development at FunctionBay, Inc. have made the solver more versatile, reliable and efficient.

Today RecurDyn is an excellent product to perform multi-flexible-body-dynamics (MFBD) simulation. Indeed, in the same RecurDyn model, we can include rigid bodies, bodies having linear flexibility (Craig-Bampton method), and bodies having non-linear flexibility (RecurDyn's proprietary method). Preparing the support data and changing the formulation assigned to each body are easy tasks, because RecurDyn includes an internal mesher, an internal FE solver, and a smart assistant that drives the user throughout the entire process.

Topics

  • When and Why including flexible bodies in multi-body-dynamics models

  • Getting the flexible bodies in RecurDyn

  • Full Flex formulation of flexible bodies

  • Modal Reduction formulation of flexible bodies

  • An example that is worth a thousand words

Multi-Body - Gestione e simulazione di corpi flessibili

Enrolment Methods

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You can participate in the session via: MAC, PC, or any mobile device.

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You can ask questions and participate in the discussion in the chat room.

Afterwards you will be able to watch the recording of this webinar, and our other initiatives, by visiting the Media Center on our website or our YouTube channel.

Engineering Day

2021, 3rd February | Hour: 16:00 CET

Enjoy the initiative!

 

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software

RecurDyn

An innovative Multibody Dynamics based CAE software

RecurDyn is a superior Multibody Dynamics solution with exceptional contact technology and powerful solver for large scale multibody models with multiple contacts and flexible bodies.

recurdyn

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CASE STUDY

Fuel Injection

A multibody model was developed using RecurDyn to study the high-speed dynamic behavior of the injector during a typical work cycle

The model contains both rigid and flexible bodies: the pin was modelled using the proprietary Full Flex technology which includes a Finite Element body in the dynamic simulation.

recurdyn mbd-ansys automotive multibody

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